Home / 3,280,448.30-4,920,672.45-2,440,640.30

Finding the Fourth Proportional to 3,280,448.30, 4,920,672.45 and 2,440,640.30

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Solution

The fourth proportional to 3,280,448.30, 4,920,672.45 and 2,440,640.30 is: 3,660,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,448.30 : 4,920,672.45 = 2,440,640.30 : x
  2. Step 2: Convert to fraction form
    3,280,448.30/4,920,672.45 = 2,440,640.30/x
  3. Step 3: Cross multiply
    3,280,448.30x = 4,920,672.45 × 2,440,640.30
  4. Step 4: Simplify right side
    3,280,448.30x = 12,009,591,484,569.73
  5. Step 5: Solve for x
    x = 12,009,591,484,569.73/3,280,448.30
  6. Step 6: Final answer
    x = 3,660,960.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.